package com.d0311;

import sun.misc.Signal;
import static sun.misc.Signal.*;

public class Light {
    public enum TypeEnum {
        //RED,YELLOW,GREEN
    }
   /* public static void main(String[] args) {
        TypeEnum color= RED;
        switch (YELLOW){
            case RED:
                System.out.println("红灯停");
                break;
            case YELLOW:
                System.out.println("等等等");
                break;
            case GREEN:
                System.out.println("绿灯行");
                break;
        }*/
    }


